I'd say error of negative values is when running under xvfb, we just workarounded that in unity8 version of that code, so probably not a mir problem?
http://bazaar.launchpad.net/~dandrader/unity8/fixDragHandleTest/revision/2101 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mir in Ubuntu. https://bugs.launchpad.net/bugs/1525293 Title: "window->screen()->physicalDotsPerInch() / 25.4" may be negative on xenial Status in Mir: Incomplete Status in QtMir: New Status in mir package in Ubuntu: Incomplete Status in qtmir package in Ubuntu: New Bug description: Window->screen()->physicalDotsPerInch() / 25.4 can be negative on Xenial when using the latest UI Toolkit. (see bug #1525174 for original finding) To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1525293/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp